Test your basic knowledge |

Skeletal System

Subject : health-sciences
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The breastbone; a series of rodlike bones called sternebrae that form the floor of the thorax.






2. The microscopic - laminated cylinders of bone that make up compact bone. Oriented lengthwise in a long bone - these consist of a central haversian canal surrounded by concentric layers of bone. Osteocytes in their lacunae are present at the junctions






3. Heavy - dense bone made up of tiny - tightly compacted - laminated cylinders of bone called haversian systems; makes up the shafts (diaphysis) of long bones and the outer surfaces of all bones.






4. The bones of the skull that surround the brain. External bones: the occipital bone - the interparietal bones - the parietal bones - the temporal bones - and the frontal bones. Internal bones: the sphenoid bone and the ethmoid bone.






5. Bones of the forelimb that lie between the carpals and phalanges of quadrupeds.






6. One of the three ossicles in the middle ear; also called the hammer - this bone is the outermost of the three ossicles and is attached to the tympanic membrane.






7. The long bone of the thigh region; it forms the hip joint with the pelvis at its proximal end and the stifle joint with the tibia at its distal end.






8. One of the two bones (with the ulna) that form the antebrachium - or forearm; usually the main weightbearing bone.






9. Large process of the fibular tarsal bone that projects upward and backward; commonly referred to as the point of the hock. Site of attachment of the gastrocnemius (calf) muscle and equivalent to the human heel.






10. The fibrous membrane that covers the outsides of bones except for their articular surfaces.






11. The bony roof of the mouth; the division between the mouth and the nasal cavity. Made up of portions of the maxillary and palatine bones.






12. The junction between two bones; can be completely immovable (fibrous) - slightly movable (cartilaginous) or freely movable (synovial).






13. The cells that produce bone.






14. A bone of the sternum.






15. Bony arches below and behind the eyes of common domestic animals; in dogs and cats they form the widest part of the skull. Made up of the rostral - facing zygomatic process of the temporal bone joined with the caudal - facing temporal process of the






16. Another term for the diaphysis of a long bone.






17. The most caudal rib or two in the rib cage; a rib whose costal cartilage does not unite with anything but rather ends in the muscle of the thoracic wall.






18. An immovable fibrous joint - such as the suture that unites most of the skull bones.






19. The process on the distal end of the distal phalanx of dogs and cats that is surrounded by the claw in the living animal.






20. The healing tissue between the ends of a fractured bone that is eventually replaced by true bone as the fracture heals.






21. The smooth joint surface of a bone that contacts another bone in a synovial joint.






22. The distal sesamoid bone of the horse; located deep in the hoof behind the joint between the middle and distal phalanges.






23. Rib whose costal cartilage directly joins the sternum.






24. The most cranial of the three pairs of bones that make up the pelvis; it forms the sacroiliac joint with the sacrum.






25. The second cervical vertebra; it forms the atlantoaxial joint with the first cervical vertebra - the atlas.






26. A depressed or sunken area on the surface of a bone; usually occupied by muscles or tendons.






27. A skull bone that is one of the internal bones of the face; forms part of the nasal septum.






28. The collective name for 37-38 bones of the head; it houses the brain and all the special sense organs.






29. A band of fibrous connective tissue that is present in and around many synovial joints; connect the bones of the joint to each other.






30. The bones of the neck portion of the spinal column.






31. Mature bone cells located in lacunae.






32. The hormone secreted by the parathyroid gland that prevents the level of calcium in the blood from getting too low.






33. A lateral - projecting process of a vertebra.






34. The bones of the carpus; consist of two parallel rows of short bones located between the distal ends of the radius and ulna and the proximal ends of the metacarpal bones.






35. The fibrous membrane that lines the hollow interiors of bones.






36. The joint between the pelvis and the sacrum that joins the pelvic limb to the axial skeleton.






37. A skull bone that is one of the external bones of the cranium; the caudal - most bone of the skull that forms the atlanto - occipital joint with the first cervical vertebra through the occipital condyles. The large foramen magnum in the occipital bon






38. A hole in the bone.






39. A skull bone; an internal bone of the cranium. This single bone is located just rostral to the sphenoid bone and contains the cribriform plate.






40. The smallest and most medial of the three pairs of bones that make up the pelvis; forms the cranial portion of the floor of the pelvis.






41. A toe that does not reach the ground - such as the first digit of dogs and cats and the rudimentary medial and lateral toes of cattle.






42. Another name for a pivot joint; one bone pivots on another in a rotary motion. The only true pivot joint is the atlantoaxial joint.






43. Process on the cranial end of the second cervical vertebra (axis) that fits into the caudal end of the first cervical vertebra (atlas).






44. The paranasal sinus in the ethmoid bone of horses and humans.






45. An immovable joint; also known as a synarthrosis. The bones are firmly united by fibrous tissue; includes the sutures between the skull bones.






46. A joint motion whereby the distal end of an extremity moves in a circle.






47. The hormone secreted by the thyroid gland that prevents the level of caclium in the blood from getting too high.






48. One of countless tiny channels through the matrix of bone that bring blood in from the periosteum to the haversian canals in the centers of the haversian systems. The haversian systems run lengthwise in long bones while these canals come in at right

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49. Skull bones that are external bones of the face; form a portion of the orbit of the ey and the rostral portion of the zygomatic arch.






50. The kneecap; the largest sesamoid bone in the body; located on the front surface of the stifle joint in the tendon of the large quadriceps femoris muscle. It rides in the trochlea of the femur.